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patch 8.0.1359: libvterm ANSI colors can not always be recognized

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Problem:    Libvterm ANSI colors can not always be recognized from the RGB
            values. The default color is wrong when t_RB is empty.
Solution:   Add the ANSI color index to VTermColor.
This commit is contained in:
Bram Moolenaar 2017-11-29 22:33:38 +01:00
parent 8b9e20afb0
commit 46359e198f
4 changed files with 82 additions and 104 deletions
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8
src/libvterm/include/vterm.h
View File

@ -79,8 +79,16 @@ INLINE void vterm_rect_move(VTermRect *rect, int row_delta, int col_delta)
}
#endif
/* The ansi_index is used for the lower 16 colors, which can be set to any
* color. */
#define VTERM_ANSI_INDEX_DEFAULT 0 /* color cleared */
#define VTERM_ANSI_INDEX_MIN 1
#define VTERM_ANSI_INDEX_MAX 16
#define VTERM_ANSI_INDEX_NONE 255 /* non-ANSI color, use red/green/blue */
typedef struct {
uint8_t red, green, blue;
uint8_t ansi_index;
} VTermColor;
typedef enum {

44
src/libvterm/src/pen.c
View File

@ -3,25 +3,25 @@
#include <stdio.h>
static const VTermColor ansi_colors[] = {
/* R G B */
{ 0, 0, 0 }, /* black */
{ 224, 0, 0 }, /* red */
{ 0, 224, 0 }, /* green */
{ 224, 224, 0 }, /* yellow */
{ 0, 0, 224 }, /* blue */
{ 224, 0, 224 }, /* magenta */
{ 0, 224, 224 }, /* cyan */
{ 224, 224, 224 }, /* white == light grey */
/* R G B index */
{ 0, 0, 0, 1 }, /* black */
{ 224, 0, 0, 2 }, /* red */
{ 0, 224, 0, 3 }, /* green */
{ 224, 224, 0, 4 }, /* yellow */
{ 0, 0, 224, 5 }, /* blue */
{ 224, 0, 224, 6 }, /* magenta */
{ 0, 224, 224, 7 }, /* cyan */
{ 224, 224, 224, 8 }, /* white == light grey */
/* high intensity */
{ 128, 128, 128 }, /* black */
{ 255, 64, 64 }, /* red */
{ 64, 255, 64 }, /* green */
{ 255, 255, 64 }, /* yellow */
{ 64, 64, 255 }, /* blue */
{ 255, 64, 255 }, /* magenta */
{ 64, 255, 255 }, /* cyan */
{ 255, 255, 255 }, /* white for real */
{ 128, 128, 128, 9 }, /* black */
{ 255, 64, 64, 10 }, /* red */
{ 64, 255, 64, 11 }, /* green */
{ 255, 255, 64, 12 }, /* yellow */
{ 64, 64, 255, 13 }, /* blue */
{ 255, 64, 255, 14 }, /* magenta */
{ 64, 255, 255, 15 }, /* cyan */
{ 255, 255, 255, 16 }, /* white for real */
};
static int ramp6[] = {
@ -57,6 +57,7 @@ static int lookup_colour_palette(const VTermState *state, long index, VTermColor
col->blue = ramp6[index % 6];
col->green = ramp6[index/6 % 6];
col->red = ramp6[index/6/6 % 6];
col->ansi_index = VTERM_ANSI_INDEX_NONE;
return TRUE;
}
@ -67,6 +68,7 @@ static int lookup_colour_palette(const VTermState *state, long index, VTermColor
col->blue = ramp24[index];
col->green = ramp24[index];
col->red = ramp24[index];
col->ansi_index = VTERM_ANSI_INDEX_NONE;
return TRUE;
}
@ -84,6 +86,7 @@ static int lookup_colour(const VTermState *state, int palette, const long args[]
col->red = (uint8_t)CSI_ARG(args[0]);
col->green = (uint8_t)CSI_ARG(args[1]);
col->blue = (uint8_t)CSI_ARG(args[2]);
col->ansi_index = VTERM_ANSI_INDEX_NONE;
return 3;
@ -152,7 +155,9 @@ INTERNAL void vterm_state_newpen(VTermState *state)
/* 90% grey so that pure white is brighter */
state->default_fg.red = state->default_fg.green = state->default_fg.blue = 240;
state->default_fg.ansi_index = VTERM_ANSI_INDEX_DEFAULT;
state->default_bg.red = state->default_bg.green = state->default_bg.blue = 0;
state->default_bg.ansi_index = VTERM_ANSI_INDEX_DEFAULT;
for(col = 0; col < 16; col++)
state->colors[col] = ansi_colors[col];
@ -208,13 +213,18 @@ void vterm_state_get_palette_color(const VTermState *state, int index, VTermColo
void vterm_state_set_default_colors(VTermState *state, const VTermColor *default_fg, const VTermColor *default_bg)
{
state->default_fg = *default_fg;
state->default_fg.ansi_index = VTERM_ANSI_INDEX_DEFAULT;
state->default_bg = *default_bg;
state->default_bg.ansi_index = VTERM_ANSI_INDEX_DEFAULT;
}
void vterm_state_set_palette_color(VTermState *state, int index, const VTermColor *col)
{
if(index >= 0 && index < 16)
{
state->colors[index] = *col;
state->colors[index].ansi_index = index + VTERM_ANSI_INDEX_MIN;
}
}
void vterm_state_set_bold_highbright(VTermState *state, int bold_is_highbright)

132
src/terminal.c
View File

@ -38,6 +38,8 @@
* in tl_scrollback are no longer used.
*
* TODO:
* - When using 'termguicolors' still use the 16 ANSI colors as-is. Helps for
* a job that uses 16 colors while Vim is using > 256.
* - in GUI vertical split causes problems. Cursor is flickering. (Hirohito
* Higashi, 2017 Sep 19)
* - Shift-Tab does not work.
@ -48,7 +50,6 @@
* - When closing gvim with an active terminal buffer, the dialog suggests
* saving the buffer. Should say something else. (Manas Thakur, #2215)
* Also: #2223
* - implement term_setsize()
* - Termdebug does not work when Vim build with mzscheme. gdb hangs.
* - MS-Windows GUI: WinBar has tearoff item
* - Adding WinBar to terminal window doesn't display, text isn't shifted down.
@ -57,6 +58,7 @@
* - What to store in a session file? Shell at the prompt would be OK to
* restore, but others may not. Open the window and let the user start the
* command?
* - implement term_setsize()
* - add test for giving error for invalid 'termsize' value.
* - support minimal size when 'termsize' is "rows*cols".
* - support minimal size when 'termsize' is empty?
@ -1707,7 +1709,7 @@ may_toggle_cursor(term_T *term)
/*
* Reverse engineer the RGB value into a cterm color index.
* First color is 1. Return 0 if no match found.
* First color is 1. Return 0 if no match found (default color).
*/
static int
color2index(VTermColor *color, int fg, int *boldp)
@ -1716,78 +1718,34 @@ color2index(VTermColor *color, int fg, int *boldp)
int blue = color->blue;
int green = color->green;
/* The argument for lookup_color() is for the color_names[] table. */
if (red == 0)
if (color->ansi_index != VTERM_ANSI_INDEX_NONE)
{
if (green == 0)
/* First 16 colors and default: use the ANSI index, because these
* colors can be redefined. */
if (t_colors >= 16)
return color->ansi_index;
switch (color->ansi_index)
{
if (blue == 0)
return lookup_color(0, fg, boldp) + 1; /* black */
if (blue == 224)
return lookup_color(1, fg, boldp) + 1; /* dark blue */
}
else if (green == 224)
{
if (blue == 0)
return lookup_color(2, fg, boldp) + 1; /* dark green */
if (blue == 224)
return lookup_color(3, fg, boldp) + 1; /* dark cyan */
}
}
else if (red == 224)
{
if (green == 0)
{
if (blue == 0)
return lookup_color(4, fg, boldp) + 1; /* dark red */
if (blue == 224)
return lookup_color(5, fg, boldp) + 1; /* dark magenta */
}
else if (green == 224)
{
if (blue == 0)
return lookup_color(6, fg, boldp) + 1; /* dark yellow / brown */
if (blue == 224)
return lookup_color(8, fg, boldp) + 1; /* white / light grey */
}
}
else if (red == 128)
{
if (green == 128 && blue == 128)
return lookup_color(12, fg, boldp) + 1; /* dark grey */
}
else if (red == 255)
{
if (green == 64)
{
if (blue == 64)
return lookup_color(20, fg, boldp) + 1; /* light red */
if (blue == 255)
return lookup_color(22, fg, boldp) + 1; /* light magenta */
}
else if (green == 255)
{
if (blue == 64)
return lookup_color(24, fg, boldp) + 1; /* yellow */
if (blue == 255)
return lookup_color(26, fg, boldp) + 1; /* white */
}
}
else if (red == 64)
{
if (green == 64)
{
if (blue == 255)
return lookup_color(14, fg, boldp) + 1; /* light blue */
}
else if (green == 255)
{
if (blue == 64)
return lookup_color(16, fg, boldp) + 1; /* light green */
if (blue == 255)
return lookup_color(18, fg, boldp) + 1; /* light cyan */
case 0: return 0;
case 1: return lookup_color( 0, fg, boldp) + 1;
case 2: return lookup_color( 4, fg, boldp) + 1; /* dark red */
case 3: return lookup_color( 2, fg, boldp) + 1; /* dark green */
case 4: return lookup_color( 6, fg, boldp) + 1; /* brown */
case 5: return lookup_color( 1, fg, boldp) + 1; /* dark blue*/
case 6: return lookup_color( 5, fg, boldp) + 1; /* dark magenta */
case 7: return lookup_color( 3, fg, boldp) + 1; /* dark cyan */
case 8: return lookup_color( 8, fg, boldp) + 1; /* light grey */
case 9: return lookup_color(12, fg, boldp) + 1; /* dark grey */
case 10: return lookup_color(20, fg, boldp) + 1; /* red */
case 11: return lookup_color(16, fg, boldp) + 1; /* green */
case 12: return lookup_color(24, fg, boldp) + 1; /* yellow */
case 13: return lookup_color(14, fg, boldp) + 1; /* blue */
case 14: return lookup_color(22, fg, boldp) + 1; /* magenta */
case 15: return lookup_color(18, fg, boldp) + 1; /* cyan */
case 16: return lookup_color(26, fg, boldp) + 1; /* white */
}
}
if (t_colors >= 256)
{
if (red == blue && red == green)
@ -2447,23 +2405,23 @@ term_get_attr(buf_T *buf, linenr_T lnum, int col)
}
static VTermColor ansi_table[16] = {
{ 0, 0, 0}, /* black */
{224, 0, 0}, /* dark red */
{ 0, 224, 0}, /* dark green */
{224, 224, 0}, /* dark yellow / brown */
{ 0, 0, 224}, /* dark blue */
{224, 0, 224}, /* dark magenta */
{ 0, 224, 224}, /* dark cyan */
{224, 224, 224}, /* light grey */
{ 0, 0, 0, 1}, /* black */
{224, 0, 0, 2}, /* dark red */
{ 0, 224, 0, 3}, /* dark green */
{224, 224, 0, 4}, /* dark yellow / brown */
{ 0, 0, 224, 5}, /* dark blue */
{224, 0, 224, 6}, /* dark magenta */
{ 0, 224, 224, 7}, /* dark cyan */
{224, 224, 224, 8}, /* light grey */
{128, 128, 128}, /* dark grey */
{255, 64, 64}, /* light red */
{ 64, 255, 64}, /* light green */
{255, 255, 64}, /* yellow */
{ 64, 64, 255}, /* light blue */
{255, 64, 255}, /* light magenta */
{ 64, 255, 255}, /* light cyan */
{255, 255, 255}, /* white */
{128, 128, 128, 9}, /* dark grey */
{255, 64, 64, 10}, /* light red */
{ 64, 255, 64, 11}, /* light green */
{255, 255, 64, 12}, /* yellow */
{ 64, 64, 255, 13}, /* light blue */
{255, 64, 255, 14}, /* light magenta */
{ 64, 255, 255, 15}, /* light cyan */
{255, 255, 255, 16}, /* white */
};
static int cube_value[] = {
@ -2549,7 +2507,7 @@ create_vterm(term_T *term, int rows, int cols)
/* The "Terminal" highlight group overrules the defaults. */
id = syn_name2id((char_u *)"Terminal");
/* Use the actual color for the GUI and when 'guitermcolors' is set. */
/* Use the actual color for the GUI and when 'termguicolors' is set. */
#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)
if (0
# ifdef FEAT_GUI

2
src/version.c
View File

@ -771,6 +771,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
1359,
/**/
1358,
/**/